This idea is actually from a business management course. I find that the original version of 12 Angry Men is a great way to teach students about the function of a jury. If you watch it in class, a good idea is to tell them that the jurors will change their minds on the verdict, and that their job is to predict who will change first. Each time a vote is taken, stop the video and ask students to guess who (if anyone) changes his mind. One of the challenges in the movies is that all the men are dressed almost the same, so students have to use details to help others know which juror is being talked about (example: "the short man with the squeaky voice"). Students have to listen carefully and read between the lines to make the correct guesses.